CN108102567A - A kind of anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) and its preparation method and application - Google Patents
A kind of anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) and its preparation method and application Download PDFInfo
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- CN108102567A CN108102567A CN201810015764.6A CN201810015764A CN108102567A CN 108102567 A CN108102567 A CN 108102567A CN 201810015764 A CN201810015764 A CN 201810015764A CN 108102567 A CN108102567 A CN 108102567A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D109/00—Coating compositions based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09D109/06—Copolymers with styrene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09J109/06—Copolymers with styrene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09J2409/00—Presence of diene rubber
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2409/00—Presence of diene rubber
- C09J2409/003—Presence of diene rubber in the primer coating
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2427/00—Presence of halogenated polymer
- C09J2427/006—Presence of halogenated polymer in the substrate
Abstract
The invention belongs to protective film fields, disclose a kind of anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) and its preparation method and application.The flexible circuit board is set gradually from top to bottom with the anti-plated film of high-performance PVC (polyvinyl chloride) as off-style paper layer, rubber pressure-sensitive adhesive layer, priming coat and PVC base layer.It can replace traditional dry film process, simplify work flow, improve production efficiency, saved production cost, and the chemical reagent such as developer, remover is avoided to discharge and pollute environment.Simultaneously as the rubber pressure sensitive glue-line of PVC protective films of the present invention, has acid and alkali-resistance, viscosity is controllable, and the excellent characteristic of temperature tolerance is not in the bad phenomenons such as plating, residue glue, hence it is evident that improve product yield.
Description
Technical field
The invention belongs to protective film field, the anti-plated film of more particularly to a kind of flexible circuit board high-performance PVC (polyvinyl chloride) and its preparation
Methods and applications.
Background technology
As the electronic products such as the fast development of electronic technology, mobile phone, computer, digital camera, TV make rapid progress, circuit
Carrier of the plate as electronic component develops towards multi-functional, large capacity, small size, slimming, lightweight direction.It is flexible
Wiring board (FPC) is typically using polyimides as a kind of flexible printed circuit made of base material, compared with common hard
Wiring board (PCB) has the advantage that Distribution density is high, light-weight, thickness is thin, bending is good, has been more and more widely used.
At the surface treatment of making choice property of FPC plates (such as gold-plated, change gold), disclosed in Chinese disclosure CN201210074355.6
A kind of technique for pasting dry film：It makes the film → outer layer pre-treatment → patch dry film → exposure → development → nickel plating turmeric → and moves back film.Its
It has the disadvantage that：1) corollary equipment is more, and cost of investment is big；2) production cycle is long, low production efficiency；3) need using strong acid, by force
Alkali cpd, recovery processing are difficult；4) quality risk is big, and production process plating easily occurs, moves back the quality abnormals such as film is not net.
Above-mentioned dry film is a kind of high-molecular compound, it can form one kind by the way that polymerisation occurs after ultraviolet irradiation
Stable substance is attached in plate face.Choosing material using dry film as FPC, the realization of function are front and rear to have to pass through system
Make the processes such as the film, pre-treatment, exposure, development, it is therefore desirable to expensive corollary equipment, and also processing procedure complexity is cumbersome.
The content of the invention
In order to overcome the shortcomings and deficiencies of the prior art described above, primary and foremost purpose of the invention is to provide a kind of flexible circuitry
The anti-plated film of plate high-performance PVC (polyvinyl chloride), the anti-plated film heat resistances of the PVC are excellent, and acid resistance and sticking nature are good, easily peelable.
Another object of the present invention is the preparation method for providing the above-mentioned anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride).
Still a further object of the present invention is the application for providing the above-mentioned anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride).It is applied
It, can be by existing dry film process when FPC selective meter's surface treatments：Make the film → outer layer pre-treatment → patch dry film → exposure
→ development → change gold → moves back film, is reduced to following technique：The anti-plated film cross cutting stamp → pad pasting → press mold → change gold → dyestrippings of PVC.
The purpose of the present invention is realized by following proposal：
A kind of anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) is set gradually from top to bottom as off-style paper layer, rubber-type pressure
Quick glue-line, priming coat and PVC base layer.
The release paper refers to single or double silicone oil paper, and color is yellow, one kind in white, blueness, grammes per square metre
For 35~250g/ squares, room temperature peel strength is 0.03~0.80N/25mm, and remaining adhesion rate >=80% can from the market often
Rule are bought.
Release paper is act as：1) it can prevent plasticizer from being migrated from PVC base layer to the rubber pressure-sensitive adhesive after coiled
Layer, so as to cause pressure sensitive glueyness reduces and influences to use；2) pressure-sensitive adhesive layer of the PVC protective films after preventing in rolls and PVC bases
The material layer back side bonds, and is conducive to uncoiling；3) punch forming when easy to use.
The rubber pressure sensitive glue-line by natural rubber, solution polymerized butadiene styrene rubber, tackifying resin, anti-aging agent, crosslinking agent and
Stirring solvent mixed dissolution, drying form, and rubber pressure sensitive bondline thickness is 5~20 microns, to 304 stainless steel plate peel strengths
For 0.2~2N/25mm.
Preferably, the rubber pressure-sensitive adhesive layer is made of the component of following parts by weight：
The solution polymerized butadiene styrene rubber is preferably the trade mark for one in 1205,1753, T2003,303 solution polymerized butadiene styrene rubber
Kind or a variety of mixing；
The tackifying resin be preferably one kind in rosin resin, terpene resin, Petropols, coumarone indene resin or
A variety of mixing, tackifying resin can improve rubber pressure-sensitive adhesive system cohesive strength, adhesive property, heat resistance and resistance to ag(e)ing etc.；
The anti-aging agent is preferably antideteriorant BHT, antioxidant DBH, antioxidant D NP, anti-aging agent RD, antioxidant MB, anti-
One or more kinds of mixing in old agent MMB, antioxidant 2246；
The crosslinking agent is preferably toluene di-isocyanate(TDI) (TDI), '-diphenylmethane diisocyanate (MDI), alkyl phenol
One or more kinds of mixing in urea formaldehyde, dibenzoyl peroxide, methyl methacrylate；
The solvent is preferably one or more kinds of mixing in toluene, dimethylbenzene, gasoline, n-hexane, pentane.
The priming coat is made of the component of following parts by weight：
15~35 parts of solution polymerized butadiene styrene rubber
0.5~2 part of dibenzoyl peroxide
63~84.5 parts of toluene.
Solution polymerized butadiene styrene rubber in the priming coat is preferably the solution polymerized butadiene styrene rubber that the trade mark is 1205.
The priming coat is to mix the raw material of priming coat, is applied by any coating method in scraper, anilox roll, nick
Then cloth toasts gained on PVC base layer；Baking temperature is 40~80 DEG C, and baking time is 5~20 seconds, bottom after drying
Coating layer thickness is 0.1~2 micron.
The priming coat can strengthen effective combination of rubber pressure-sensitive adhesive layer and PVC base layer, make PVC base will not be because
Polarity itself is inadequate, with rubber pressure-sensitive adhesive layer compatibility difference and adhesive is caused to come off.
The PVC base layer be PVC flexible films that thickness is 50~100 microns (plasticizer additive amount 25phr with
On), compared to ganoine thin film, PVC flexible films have the characteristics that ductility, tearing toughness and cold resistance are superior, can
To be obtained by market channel.
A kind of preparation method of the above-mentioned anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride), mainly includes the following steps that：
(1) raw material of priming coat is mixed, is then coated with by any one coating method in scraper, anilox roll, nick
On PVC base layer, priming coat is formed after baking；
(2) rubber pressure-sensitive adhesive layer raw material is stirred in closed stirred autoclave 6-10 it is small when, fully dissolve
After 50-200 mesh nylon filter net filtrations, it is coated on priming coat with knife type coater, is toasted by baking oven, is dried to residual
Volatilizable part≤0.6% is stayed, rubber pressure-sensitive adhesive layer is formed after baking；
(3) PVC base layer is coated with to the side of priming coat and rubber pressure-sensitive adhesive layer, is led to before batching with off-style paper layer
It crosses the laminating apparatus that knife type coater carries to be bonded, then according to size is used, cuts into required specification with banding machine, i.e.,
Obtain the anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride).
Baking described in step (1) refers to baking temperature for 40~80 DEG C, and baking time is 5~20 seconds, bottom after drying
Coating layer thickness is 0.1~2 micron；
Baking described in step (2) refers to toast 40~160 seconds in 60~150 DEG C of baking oven；
Preferably, the baking described in step (2) refers to carry out in 60~150 DEG C of the continuous baking oven of more piece, in baking oven
Portion is interconnected, and it is 5~20 seconds often to save baking time in baking oven, the speed that wherein baking time is driven by PVC film by conveyer belt
It spends to control；
It is furthermore preferred that the baking described in step (2) refer to it is every section baking oven it is 4 meters long, totally 8 section continuous baking ovens in dry
Roasting, oven temperature is set gradually as 60 DEG C, 70 DEG C, 90 DEG C, 130 DEG C, 135 DEG C, 135 DEG C, 90 DEG C, often saves baking time in baking oven
For 12 seconds, wherein baking time was controlled by speed that PVC film is pulled；
The thickness of the rubber pressure-sensitive adhesive layer after drying in step (2) is 5~20 microns.
Application of the above-mentioned anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) in flexible circuit board selective meter's surface treatment.
The anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) can simplify flexible circuit board selective surface treatment process
For：(1) the anti-plated film cross cutting stamp of flexible circuit board high-performance PVC (polyvinyl chloride)；(2) pad pasting；(3) press mold；(4) turmeric；(5) dyestripping.
The present invention mechanism be：
The anti-plated films of PVC of the present invention are the PVC flexible films selected from market channel, and flexibility and ductility are good, fitting
There are the out-of-flatness FPC plate surfaces of height jump on surface, apparent breathing will not occur, its surface is coated with high temperature resistant in addition, resistance to
The high-performance rubber type pressure sensitive adhesive of soda acid, wetability is good, secured with surface bonding, warpage, residue glue will not occur, ooze cross etc. it is existing
As, and be coated between PVC base layer and rubber pressure-sensitive adhesive layer and can strengthen the priming coat effectively combined between the two, therefore can
Protective film during being handled as FPC plate surfaces.The PVC only need to be according to FPC plate surfaces processing feature and ruler when anti-plated film uses
It is very little, carry out cross cutting stamp, you can achieve the purpose that carry out the position that need not be surface-treated masking protection.
The present invention is had the following advantages and advantageous effect compared with the prior art：
Traditional dry film process has to reach the mesh of masking protection by the making film, pre-treatment, exposure, development
's.And the anti-plated film heat resistances of PVC anti-plated film PVC of the present invention are excellent, solvent resistant and sticking nature are good, easily peelable, during use only
Need to cross cutting stamp be carried out according to FPC plate surfaces processing feature and size, you can reach and the position that need not be surface-treated is carried out
Cover the purpose of protection.The anti-plated film of the high-performance PVC (polyvinyl chloride) being related to of the present invention can replace traditional dry film process, simplify work
Industry flow, improves production efficiency, has saved production cost, and the chemical reagent such as developer, remover is avoided to discharge and pollute ring
Border.Simultaneously as the pressure-sensitive adhesive layer of PVC protective films of the present invention, has acid and alkali-resistance, viscosity is controllable, and temperature tolerance is excellent
Characteristic is not in the bad phenomenons such as plating, residue glue, hence it is evident that improve product yield.
Description of the drawings
Fig. 1 is the structure chart of the anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) of the present invention.
Specific embodiment
With reference to embodiment and attached drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
Agents useful for same can routinely be bought unless otherwise specified from market in embodiment.Wherein solution polymerized butadiene styrene rubber 1205 is
The 1205 of Seoul branch company of petrochemical industry Co., Ltd of South Korea production；Solution polymerized butadiene styrene rubber 1753 is public for Tianjin Lu Gang oil limited rubber
The 1753 of department's production；Rosin glycerides 138 are the rosin glycerides 138 of Guangzhou Song Bao Chemical Co., Ltd.s production.
Embodiment 1
(a) preparation method of the anti-plated film of high-performance PVC (polyvinyl chloride) is as follows：
(1) raw material of priming coat by proportioning is mixed, after stirring evenly, poured into primer slot, is coated with 110 mesh anilox rolls
The thickness that Nan Ya Plastics Co., Ltd produces in Guangzhou is 75 microns, and hardness is in 36 blue PVC film, is 4 by 1 section length
The baking oven of rice toasts 12 seconds at 50 DEG C, forms 1 layer 0.3~0.5 micron of primer layer.
Priming coat is made of the component of following parts by weight：
Solution polymerized butadiene styrene rubber 1205：30 parts
Dibenzoyl peroxide:0.8 part
Toluene:69.2 parts.
(2) rubber pressure-sensitive adhesive layer raw material is stirred in closed stirred autoclave 8 it is small when, fully dissolving after use
Pumping takes, and is filtered into gum box, is coated on by knife type coater on priming coat, through oven temperature with 100 mesh nylon leaching nets
Be followed successively by 60 DEG C, 70 DEG C, 90 DEG C, 130 DEG C, 135 DEG C, 135 DEG C, toast in 90 DEG C of 8 continuous baking ovens of section, often save and toasted in baking oven
Time is 12 seconds, forms the rubber pressure-sensitive adhesive layer that a layer thickness is 8 ± 3 microns；
Rubber pressure-sensitive adhesive layer is made of the component of following parts by weight：
(3) after by continuous 8 section baking ovens, the rubber pressure-sensitive adhesive layer in PVC film passes through laminating apparatus and yellow single side
The silicone oil face paste of silicone oil paper (the new Yongtai adhesive article Co., Ltd in Nanhai District Foshan City) is closed, and institute then is made with cutting machine cutting
Need the anti-plated films of PVC of width.
(b) the anti-coating performances of above-mentioned PVC are tested, it is as a result as follows：
The associativity of rubber pressure-sensitive adhesive layer and PVC flexible films：The anti-plated films of PVC are cut into the sample 2 of 50mm*200mm
Item tears off-style paper layer, will wherein 1 slat gum type pressure-sensitive adhesive layer surface and another 1 slat gum type pressure-sensitive adhesive layer in horizontal table top
Surface contacts with each other and rubs 5 times back and forth, it is found that glue does not come off, it is soft with PVC to illustrate that primary coat glue-line improves rubber pressure sensitive glue
Being firmly combined with property of plasma membrane.
180 ° of peel strength tests：According to GB/T 2792-1998, the standard that the anti-plated films of PVC are made to 25mm*200mm is tried
Sample on 304 stainless steel plates for the 1.5mm*40mm*120mm for attaching it to wiped clean, is pressed 3 times back and forth with motorized roller,
Pressure roller quality is 2kg, rolling speed 300mm/min.In precision after placement 20min in 23 ± 2 DEG C, the environment of 65 ± 5%RH
180 ° of peel strength tests are carried out on tensile testing machine, peeling rate used is 300mm/min, and test peel strength is
0.3N/25mm。
High temperature resistant is tested (to steel plate)：It is according to above-mentioned 180 ° of peel strength test operating methods, the PVC of 25mm wide is anti-plated
Film is bonded on 304 stainless steel plates, is put into 85 DEG C of baking ovens, is taken out after forty minutes, it is found that protective film does not shrink, do not warp, is not residual
Glue, the anti-plated film heat resistances of PVC selected by explanation are good, and rubber pressure-sensitive adhesive layer cohesive strength meets design requirement.
Plating is tested：The anti-plated film of above-mentioned high-performance PVC (polyvinyl chloride) is subjected to cross cutting stamp, 5, the sample of 25mm*200mm is made, so
After be fitted on FPC plates and need on copper face to be protected, pressed through roller press, wherein rolling temperatures are 90 DEG C, and rolling speed is
1.5mm/s, pressure 5kg/cm2, then at 85 DEG C, acid solution (being configured with diluting concentrated sulfuric acid, pH meter test pH value) that pH is 4
It is middle to impregnate 40 minutes, it places 20 minutes after taking-up, then tears the anti-plated films of PVC, in the micro- Microscopic observation of 10-50 multiples, hair
Existing copper face crosses phenomenon without residue glue, without discoloration, without oozing, and illustrates that the anti-coating performance is good, and the change that can be used for FPC is golden, gold-plated etc.
Surface treatment is used.
Embodiment 2
(a) preparation method of the anti-plated film of high-performance PVC (polyvinyl chloride) is as follows：
(1) raw material of priming coat by proportioning is mixed, after stirring evenly, poured into primer slot, is coated with 110 mesh anilox rolls
The thickness that Nan Ya Plastics Co., Ltd produces in Guangzhou is 70 microns, and hardness is in 34 blue PVC film, is 4 by 1 section length
The baking oven of rice toasts 12 seconds at 50 DEG C, forms 1 layer 0.3-0.5 microns of primer layer；
Priming coat is made of the component of following parts by weight：
Solution polymerized butadiene styrene rubber 1205：30 parts
Dibenzoyl peroxide:1 part
Toluene:69.2 parts.
(2) rubber pressure-sensitive adhesive layer raw material is stirred in closed stirred autoclave 8 it is small when, fully dissolving after use
Pumping takes, and is filtered into gum box, is coated on by knife type coater on priming coat, through oven temperature with 100 mesh nylon leaching nets
Be followed successively by 60 DEG C, 70 DEG C, 90 DEG C, 130 DEG C, 135 DEG C, 135 DEG C, toast in 90 DEG C of 8 continuous baking ovens of section, often save and toasted in baking oven
Time is 12 seconds, forms the rubber pressure-sensitive adhesive layer that a layer thickness is 8 ± 3 microns；
Rubber pressure-sensitive adhesive layer is made of the component of following parts by weight：
(3) after by continuous 8 section baking ovens, the rubber pressure-sensitive adhesive layer in PVC film passes through laminating apparatus yellow single side
The silicone oil face paste of silicone oil paper (the new Yongtai adhesive article Co., Ltd in Nanhai District Foshan City) is closed, and institute then is made with cutting machine cutting
Need the anti-plated films of PVC of width.
(b) the anti-coating performances of above-mentioned PVC are tested, it is as a result as follows：
The associativity of rubber pressure-sensitive adhesive layer and PVC flexible films：The anti-plated films of PVC are cut into the sample 2 of 50mm*200mm
Item tears off-style paper layer, will wherein 1 slat gum adhesive layer side and another 1 slat gum adhesive layer side in horizontal table top
It contacts with each other and rubs 5 times back and forth, it is found that glue does not come off, illustrate that primary coat glue-line improves rubber pressure sensitive glue and the soft films of PVC
Being firmly combined with property.
180 ° of peel strength tests：According to GB/T 2792-1998, the standard that the anti-plated films of PVC are made to 25mm*200mm is tried
Sample on 304 stainless steel plates for the 1.5mm*40mm*120mm for attaching it to wiped clean, is pressed 3 times back and forth with motorized roller,
Pressure roller quality is 2kg, rolling speed 300mm/min.In precision after placement 20min in 23 ± 2 DEG C, the environment of 65 ± 5%RH
180 ° of peel strength tests are carried out on tensile testing machine, peeling rate used is 300mm/min, and test peel strength is
0.5N/25mm。
High temperature resistant is tested (to steel plate)：It is according to above-mentioned 180 ° of peel strength test operating methods, the PVC of 25mm wide is anti-plated
Film is bonded on 304 stainless steel plates, is put into 85 DEG C of baking ovens, is taken out after forty minutes, it is found that protective film does not shrink, do not warp, is not residual
Glue, the anti-plated film heat resistances of PVC selected by explanation are good, and rubber pressure-sensitive adhesive layer cohesive strength meets design requirement.
Plating is tested：The anti-plated film of above-mentioned high-performance PVC (polyvinyl chloride) is subjected to cross cutting stamp, 5, the sample of 25mm*200mm is made, so
After be fitted on FPC plates and need on copper face to be protected, pressed through roller press, wherein rolling temperatures are 90 DEG C, and rolling speed is
1.5mm/s, pressure 5kg/cm2, then at 85 DEG C, acid solution (being configured with diluting concentrated sulfuric acid, pH meter test pH value) that pH is 4
It is middle to impregnate 40 minutes, it places 20 minutes after taking-up, then tears the anti-plated films of PVC, in the micro- Microscopic observation of 10-50 multiples, hair
Existing copper face crosses phenomenon without residue glue, without discoloration, without oozing, and illustrates that the anti-coating performance is good, and the change that can be used for FPC is golden, gold-plated etc.
Surface treatment is used.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention and from above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. a kind of anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride), it is characterised in that：It is set gradually from top to bottom as off-style paper layer,
Rubber pressure-sensitive adhesive layer, priming coat and PVC base layer.
2. the anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) according to claim 1, it is characterised in that：
The rubber pressure-sensitive adhesive layer thickness is 5~20 microns；The thickness of the priming coat is 0.1~2 micron；Described
The thickness of PVC base layer is 50~100 microns.
3. the anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) according to claim 1 or 2, it is characterised in that：
The rubber pressure-sensitive adhesive layer is made of the component of following parts by weight：
4. the anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) according to its claim 3, it is characterised in that：
The solution polymerized butadiene styrene rubber refer to the trade mark for 1205,1753, it is T2003, a kind of or more in 303 solution polymerized butadiene styrene rubber
Kind mixing；
The tackifying resin is rosin resin, one or more mixing in terpene resin, Petropols, coumarone indene resin；
The anti-aging agent for antideteriorant BHT, antioxidant DBH, antioxidant D NP, anti-aging agent RD, antioxidant MB, anti-aging agent MMB,
One or more kinds of mixing in antioxidant 2246；
The crosslinking agent is toluene di-isocyanate(TDI), '-diphenylmethane diisocyanate, alkyl phenolic resin, diphenyl peroxide first
One or more kinds of mixing in acyl, methyl methacrylate；
The solvent is toluene, one or more kinds of mixing in dimethylbenzene, gasoline, n-hexane, pentane.
5. the anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) according to claim 1 or 2, it is characterised in that：
The priming coat is made of the component of following mass fraction：
15~35 parts of solution polymerized butadiene styrene rubber
0.5~2 part of dibenzoyl peroxide
63~84.5 parts of toluene.
6. the anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) according to claim 1 or 2, it is characterised in that：
The PVC base layer is the PVC flexible films that thickness is 50~100 microns.
7. the anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) according to claim 1 or 2, it is characterised in that：
The release paper refers to single or double silicone oil paper, and color is yellow, one kind in white, blueness, grammes per square metre for 35~
250g/ squares, room temperature peel strength be 0.03~0.80N/25mm, remaining adhesion rate >=80%.
8. a kind of preparation method according to the anti-plated film of claim 1~7 any one of them flexible circuit board high-performance PVC (polyvinyl chloride),
It is characterized by comprising following steps：
(1) raw material of priming coat is mixed, PVC is then coated on by any one coating method in scraper, anilox roll, nick
On substrate layer, priming coat is formed after baking；
(2) rubber pressure-sensitive adhesive layer raw material is stirred in closed stirred autoclave 6~10 it is small when, fully dissolving after pass through
After 50-200 mesh nylon filter net filtrations, it is coated on priming coat with knife type coater, is toasted by baking oven, being dried to residual can
Fugitive constituent≤0.6% forms rubber pressure-sensitive adhesive layer after baking；
(3) PVC base layer is coated with to the side of priming coat and rubber pressure-sensitive adhesive layer, with off-style paper layer by scraping before batching
The laminating apparatus that knife coating machine carries is bonded, and then according to size is used, specification is to get soft needed for banding machine is cut into
The property anti-plated film of wiring board high-performance PVC (polyvinyl chloride).
9. the preparation method of the anti-plated film of flexible circuit board high-performance PVC (polyvinyl chloride) according to claim 8, it is characterised in that：
Baking described in step (1) refers to baking temperature for 40~80 DEG C, and baking time is 5~20 seconds, priming coat after drying
Thickness is 0.1~2 micron；
Baking described in step (2) refers to toast 40~160 seconds in 60~150 DEG C of baking oven.
10. it is selected according to the claim 1~7 anti-plated film of any one of them flexible circuit board high-performance PVC (polyvinyl chloride) in flexible circuit board
Application in the surface treatment of selecting property.
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|---|---|---|---|
| CN201810015764.6A CN108102567B (en) | 2018-01-08 | 2018-01-08 | High-performance PVC (polyvinyl chloride) anti-plating film for flexible circuit board as well as preparation method and application of high-performance PVC anti-plating film |
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| CN201810015764.6A CN108102567B (en) | 2018-01-08 | 2018-01-08 | High-performance PVC (polyvinyl chloride) anti-plating film for flexible circuit board as well as preparation method and application of high-performance PVC anti-plating film |
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| CN108102567B CN108102567B (en) | 2021-06-25 |
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| CN109831880A (en) * | 2019-03-11 | 2019-05-31 | 厦门华天华电子有限公司 | A kind of processing technology of FPC electroplated layer |
| CN112680132A (en) * | 2020-12-14 | 2021-04-20 | 江苏晶华新材料科技有限公司 | PVC adhesive tape and preparation process thereof |
| CN113502131A (en) * | 2021-06-21 | 2021-10-15 | 广东硕成科技有限公司 | PVC (polyvinyl chloride) bright-line protective film convenient to use and preparation method and application thereof |
| CN113604168A (en) * | 2021-06-04 | 2021-11-05 | 广东硕成科技有限公司 | PVC protective film without residual glue and preparation method thereof |
| CN113637415A (en) * | 2021-06-09 | 2021-11-12 | 广东硕成科技有限公司 | Antistatic glass etching protective film and preparation method and application thereof |
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| CN113604168A (en) * | 2021-06-04 | 2021-11-05 | 广东硕成科技有限公司 | PVC protective film without residual glue and preparation method thereof |
| CN113604168B (en) * | 2021-06-04 | 2022-11-18 | 广东硕成科技股份有限公司 | PVC protective film without residual glue and preparation method thereof |
| CN113637415A (en) * | 2021-06-09 | 2021-11-12 | 广东硕成科技有限公司 | Antistatic glass etching protective film and preparation method and application thereof |
| CN113502131A (en) * | 2021-06-21 | 2021-10-15 | 广东硕成科技有限公司 | PVC (polyvinyl chloride) bright-line protective film convenient to use and preparation method and application thereof |
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